Hi Dovid, Thanks for that. Can you explain how the Progress() and/or Playback() actually help the NAT problem? I'm trying to figure out how it tells Asterisk the correct address to send the RTP to.
On Thu, 3 Dec 2020 at 16:10, Dovid Bender <do...@telecurve.com> wrote: > David, > > You should be able to do that via the agi as well. > > On Wed, Dec 2, 2020 at 20:32 David Cunningham <dcunning...@voisonics.com> > wrote: > >> Hi Dovid, >> >> We're using Enswitch so it uses AGI rather than a regular Asterisk >> dialplan, but perhaps sending it to a custom-made Asterisk context with the >> lines you suggest could be the best way forward. >> >> Thank you for that. >> >> >> On Thu, 3 Dec 2020 at 13:01, Dovid Bender <do...@telecurve.com> wrote: >> >>> David, >>> >>> Does Asterisk send a 180 or a 183 with SDP? We have found that using >>> these two lines help (where xc is a 500ms blank sound file) >>> Exten => _X.,n, Progress() >>> Exten => _X.,n, Playback(xc,noanswer) >>> >>> >>> On Wed, Dec 2, 2020 at 4:30 PM David Cunningham < >>> dcunning...@voisonics.com> wrote: >>> >>>> Hello, >>>> >>>> We have a problem with a SIP doorbell device which sends media one way >>>> only, and NAT at the receiving device. >>>> >>>> When the doorbell button is pressed it makes a call to a configured >>>> destination. Since the doorbell only sends and doesn't receive it sends the >>>> INVITE with sendonly in the SDP, and the destination then replies with a >>>> 200 OK with recvonly in the SDP. >>>> >>>> The problem is that the destination is behind NAT, and its reply >>>> contains a private network IP in the SDP. Normally Asterisk when nat=yes >>>> works around that by adjusting the destination for RTP to be the address it >>>> actually receives audio from, however because this device is recvonly >>>> Asterisk never receives audio from it. This means Asterisk keeps trying to >>>> send the doorbell's RTP to the private network IP which of course fails, >>>> and the destination never gets the RTP from the doorbell. >>>> >>>> Does anyone know how to work around this issue? >>>> >>>> Thank you in advance, >>>> >>>> -- >>>> David Cunningham, Voisonics Limited >>>> http://voisonics.com/ >>>> USA: +1 213 221 1092 >>>> New Zealand: +64 (0)28 2558 3782 >>>> -- >>>> _____________________________________________________________________ >>>> -- Bandwidth and Colocation Provided by http://www.api-digital.com -- >>>> >>>> Check out the new Asterisk community forum at: >>>> https://community.asterisk.org/ >>>> >>>> New to Asterisk? Start here: >>>> https://wiki.asterisk.org/wiki/display/AST/Getting+Started >>>> >>>> asterisk-users mailing list >>>> To UNSUBSCRIBE or update options visit: >>>> http://lists.digium.com/mailman/listinfo/asterisk-users >>> >>> -- >>> _____________________________________________________________________ >>> -- Bandwidth and Colocation Provided by http://www.api-digital.com -- >>> >>> Check out the new Asterisk community forum at: >>> https://community.asterisk.org/ >>> >>> New to Asterisk? Start here: >>> https://wiki.asterisk.org/wiki/display/AST/Getting+Started >>> >>> asterisk-users mailing list >>> To UNSUBSCRIBE or update options visit: >>> http://lists.digium.com/mailman/listinfo/asterisk-users >> >> >> >> -- >> David Cunningham, Voisonics Limited >> http://voisonics.com/ >> USA: +1 213 221 1092 >> New Zealand: +64 (0)28 2558 3782 >> -- >> _____________________________________________________________________ >> -- Bandwidth and Colocation Provided by http://www.api-digital.com -- >> >> Check out the new Asterisk community forum at: >> https://community.asterisk.org/ >> >> New to Asterisk? Start here: >> https://wiki.asterisk.org/wiki/display/AST/Getting+Started >> >> asterisk-users mailing list >> To UNSUBSCRIBE or update options visit: >> http://lists.digium.com/mailman/listinfo/asterisk-users > > -- > _____________________________________________________________________ > -- Bandwidth and Colocation Provided by http://www.api-digital.com -- > > Check out the new Asterisk community forum at: > https://community.asterisk.org/ > > New to Asterisk? Start here: > https://wiki.asterisk.org/wiki/display/AST/Getting+Started > > asterisk-users mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-users -- David Cunningham, Voisonics Limited http://voisonics.com/ USA: +1 213 221 1092 New Zealand: +64 (0)28 2558 3782
-- _____________________________________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- Check out the new Asterisk community forum at: https://community.asterisk.org/ New to Asterisk? Start here: https://wiki.asterisk.org/wiki/display/AST/Getting+Started asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users